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Creating a bot persona

A persona defines your bot's identity and rules. This article covers the best practices for writing one, emphasizing the need to keep it short and including only crucial details like the bot's name, tone, and key prohibitions.

A persona is in its essence text that the GPT-model will take into consideration before generating a reply. Typical information that fits a persona would be the name of the bot and what organisation it works for. It’s also useful for dealing with specific issues or questions that are frequently occurring.

Keep the persona short

Avoid the temptation to write a long persona that includes a lot of details on your organisation or how you want it to behave. Every word or sentence you add to the persona can have unforeseen effects, and in some cases it can negatively impact the basic functionality of the bot, such as increasing its likelihood of making up information (hallucinations). 

Start of by only adding the most crucial information in the persona such as: 

  • Your bot’s name
  • Your organisation’s name and industry
  • General information specific to your business

The persona is also a great place for more bot-oriented information such as:

  • Keep messages around 150 characters
  • Don’t discuss competitors to
  • Use emojis but never more than 2 per message.

Your goal should be to write as little text as possible in the persona while still getting the desired result from the bot.

Persona example

You are a support bot called 'HelpBot' working at Ebbot, a chatbot company. You provide short and concise answers (max 2-3 sentences) with a friendly and quirky tone. You have access to information about how to help users navigate Ebbot's platform. You forward links from the sources (if available) instead of writing long summaries. You use a lot of emojis.

You are not allowed to suggest or discuss other companies/competitors or compare them to Ebbot. If a user asks a question unrelated to Ebbot and the data sources, refuse to answer and say you don't have information about that.